DE69531604T2 - Wiederkonfigurierbare, zoombare, drehbare ellipsoid-strahlantenne - Google Patents

Wiederkonfigurierbare, zoombare, drehbare ellipsoid-strahlantenne Download PDF

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Publication number
DE69531604T2
DE69531604T2 DE69531604T DE69531604T DE69531604T2 DE 69531604 T2 DE69531604 T2 DE 69531604T2 DE 69531604 T DE69531604 T DE 69531604T DE 69531604 T DE69531604 T DE 69531604T DE 69531604 T2 DE69531604 T2 DE 69531604T2
Authority
DE
Germany
Prior art keywords
reflector
sub
subreflector
axis
elliptical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69531604T
Other languages
German (de)
English (en)
Other versions
DE69531604D1 (de
Inventor
Salvatore Contu
Alberto Meschini
Roberto Mizzoni
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leonardo SpA
Original Assignee
Alenia Spazio SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alenia Spazio SpA filed Critical Alenia Spazio SpA
Publication of DE69531604D1 publication Critical patent/DE69531604D1/de
Application granted granted Critical
Publication of DE69531604T2 publication Critical patent/DE69531604T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
    • H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
    • H01Q19/192—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface with dual offset reflectors

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
DE69531604T 1994-11-25 1995-05-10 Wiederkonfigurierbare, zoombare, drehbare ellipsoid-strahlantenne Expired - Lifetime DE69531604T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITRM940777A IT1275349B (it) 1994-11-25 1994-11-25 Antenna con fascio ellittico ruotabile con possibilita' di riconfigurazione e zoom del fascio
ITRM940777 1994-11-25
PCT/EP1995/001771 WO1996017403A1 (en) 1994-11-25 1995-05-10 Reconfigurable, zoomable, turnable, elliptical-beam antenna

Publications (2)

Publication Number Publication Date
DE69531604D1 DE69531604D1 (de) 2003-10-02
DE69531604T2 true DE69531604T2 (de) 2004-06-24

Family

ID=11402840

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69531604T Expired - Lifetime DE69531604T2 (de) 1994-11-25 1995-05-10 Wiederkonfigurierbare, zoombare, drehbare ellipsoid-strahlantenne

Country Status (10)

Country Link
US (1) US5977923A (es)
EP (1) EP0741917B1 (es)
JP (1) JP3188474B2 (es)
AU (1) AU2526695A (es)
DE (1) DE69531604T2 (es)
DK (1) DK0741917T3 (es)
ES (1) ES2204951T3 (es)
FI (1) FI962951A (es)
IT (1) IT1275349B (es)
WO (1) WO1996017403A1 (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6243048B1 (en) * 2000-02-04 2001-06-05 Space Systems/Loral, Inc. Gregorian reflector antenna system having a subreflector optimized for an elliptical antenna aperture
US6603437B2 (en) * 2001-02-13 2003-08-05 Raytheon Company High efficiency low sidelobe dual reflector antenna
US6441794B1 (en) * 2001-08-13 2002-08-27 Space Systems/Loral, Inc. Dual function subreflector for communication satellite antenna
US6628238B2 (en) * 2001-11-19 2003-09-30 Parthasarathy Ramanujam Sub-reflector for dual-reflector antenna system
WO2007064092A1 (en) * 2005-11-29 2007-06-07 Jiho Ahn Antenna-feeder device and antenna
DE102008013066B3 (de) * 2008-03-06 2009-10-01 Deutsches Zentrum für Luft- und Raumfahrt e.V. Vorrichtung zur zweidimensionalen Abbildung von Szenen durch Mikrowellen-Abtastung und Verwendung der Vorrichtung
US9379438B1 (en) * 2009-12-01 2016-06-28 Viasat, Inc. Fragmented aperture for the Ka/K/Ku frequency bands
US9312606B2 (en) * 2011-08-26 2016-04-12 Nec Corporation Antenna device including reflector and primary radiator
US10122085B2 (en) * 2014-12-15 2018-11-06 The Boeing Company Feed re-pointing technique for multiple shaped beams reflector antennas
US11146328B2 (en) * 2015-04-03 2021-10-12 Qualcomm Incorporated Method and apparatus for avoiding exceeding interference limits for a non-geostationary satellite system
US9590299B2 (en) 2015-06-15 2017-03-07 Northrop Grumman Systems Corporation Integrated antenna and RF payload for low-cost inter-satellite links using super-elliptical antenna aperture with single axis gimbal
US9583840B1 (en) 2015-07-02 2017-02-28 The United States Of America As Represented By The Secretary Of The Air Force Microwave zoom antenna using metal plate lenses
CN112147588B (zh) * 2020-10-14 2022-03-01 中国电波传播研究所（中国电子科技集团公司第二十二研究所） 一种不对称的雷达照射面积快速计算方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425566A (en) * 1981-08-31 1984-01-10 Bell Telephone Laboratories, Incorporated Antenna arrangement for providing a frequency independent field distribution with a small feedhorn
US4755826A (en) * 1983-01-10 1988-07-05 The United States Of America As Represented By The Secretary Of The Navy Bicollimated offset Gregorian dual reflector antenna system
JPS60178709A (ja) * 1984-02-24 1985-09-12 Nippon Telegr & Teleph Corp <Ntt> オフセツト複反射鏡アンテナ
DE3867668D1 (de) * 1987-03-18 1992-02-27 Siemens Ag Zweispiegel-mikrowellen-richtantennenanordnung.

Also Published As

Publication number Publication date
ES2204951T3 (es) 2004-05-01
IT1275349B (it) 1997-08-05
WO1996017403A1 (en) 1996-06-06
JPH09504158A (ja) 1997-04-22
FI962951A (fi) 1996-09-19
DE69531604D1 (de) 2003-10-02
EP0741917A1 (en) 1996-11-13
JP3188474B2 (ja) 2001-07-16
AU2526695A (en) 1996-06-19
EP0741917B1 (en) 2003-08-27
FI962951A0 (fi) 1996-07-24
ITRM940777A0 (it) 1994-11-25
US5977923A (en) 1999-11-02
ITRM940777A1 (it) 1996-05-25
DK0741917T3 (da) 2003-12-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALENIA SPAZIO S.P.A., ROM/ROMA, IT

8327 Change in the person/name/address of the patent owner

Owner name: FINMECCANICA S.P.A., ROM/ROMA, IT